/*
 *  Copyright (c) 2002-2003, The Joust Project
 *  All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without 
 *  modification, are permitted provided that the following conditions 
 *  are met:
 *
 *  - Redistributions of source code must retain the above copyright 
 *    notice, this list of conditions and the following disclaimer. 
 *  - Redistributions in binary form must reproduce the above copyright 
 *    notice, this list of conditions and the following disclaimer in 
 *    the documentation and/or other materials provided with the 
 *    distribution. 
 *  - Neither the name of the Joust Project nor the names of its
 *    contributors may be used to endorse or promote products derived 
 *    from this software without specific prior written permission. 
 *
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
 *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
 *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 
 *  FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 
 *  COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 
 *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 
 *  BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 
 *  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 
 *  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
 *  LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 
 *  ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
 *  POSSIBILITY OF SUCH DAMAGE.
 *
 *  File created by keith @ Feb 19, 2003
 *
 */

package net.kano.joscar.flapcmd;

import net.kano.joscar.flap.FlapCommand;
import net.kano.joscar.flap.FlapCommandFactory;
import net.kano.joscar.flap.FlapPacket;

/**
 * Provides a default implementation of a FLAP command factory. This factory
 * converts FLAP packets to the <code>FlapCommand</code>s located in this
 * package, such as <code>SnacFlapCmd</code>.
 */
public class DefaultFlapCmdFactory implements FlapCommandFactory {
    public FlapCommand genFlapCommand(FlapPacket packet) {
        int channel = packet.getChannel();

        if (channel == LoginFlapCmd.CHANNEL_LOGIN) {
            return new LoginFlapCmd(packet);

        } else if (channel == SnacFlapCmd.CHANNEL_SNAC) {
            return new SnacFlapCmd(packet);

        } else if (channel == FlapErrorCmd.CHANNEL_ERROR) {
            return new FlapErrorCmd(packet);

        } else if (channel == CloseFlapCmd.CHANNEL_CLOSE) {
            return new CloseFlapCmd(packet);
            
        } else {
            return null;
        }
    }

    public String toString() {
        return "DefaultFlapCmdFactory";
    }
}
